See also:

How to Check Lubricant
To get an accurate reading, the vehicle should be on a level surface. 1500 Series A. Fill Plug B. Drain Plug All Except 1500 Series A. Fill Plug B. Drain Plug • When the differential is c ...

Trailer Gain Adjustment Procedure
Trailer Gain should be set for a specific trailering condition and must be adjusted any time vehicle loading, trailer loading, or road surface conditions change. Setting the Trailer Gain properly is ...

General Information
This maintenance section applies to vehicles with a gasoline engine. For diesel engine vehicles, see the maintenance schedule section in the Duramax Diesel Supplement. Your vehicle is an important in ...